package com.kuang.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.catalina.User;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {
    //3.ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager")DefaultWebSecurityManager defaultWebSecurityManager){
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        //添加shiro的内置过滤器

        //拦截
        Map<String, String> filterMap = new LinkedHashMap<>();
       /*       - anon： 无需认证就可以访问
                - authc： 必须认证了才能访问
                - user： 必须拥有记住我功能才能用
                - perms： 拥有对某个资源的权限才能访问
                - role： 拥有某个角色权限
*/
        //授权
        //未授权情况下跳转401
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");

        filterMap.put("/user/*","authc");
        bean.setFilterChainDefinitionMap(filterMap);

        //设置登录的请求
        bean.setLoginUrl("/toLogin");

        //未授权请求
        bean.setUnauthorizedUrl("/noauto");

        return bean;
    }

    //2.DefaultWebSecurityManger
    @Bean(name="securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        // 关联UserRealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //1.创建realm对象 需要自定义
    @Bean
    public UserRealm userRealm(){
        return new UserRealm();
    }

    // 整合ShiroDialect： 用来整合 Shiro thymeleaf
    @Bean
    public ShiroDialect getShiroDialect() {
        return new ShiroDialect();
    }
}
